diff --git a/db/migrate/20250722233948_add_index_to_heartbeats_project.rb b/db/migrate/20250722233948_add_index_to_heartbeats_project.rb
index 57fabcc..7b10854 100644
--- a/db/migrate/20250722233948_add_index_to_heartbeats_project.rb
+++ b/db/migrate/20250722233948_add_index_to_heartbeats_project.rb
@@ -1,9 +1,9 @@
 class AddIndexToHeartbeatsProject < ActiveRecord::Migration[8.0]
   # this is what i got from stackoverflow
   disable_ddl_transaction!
-  
+
   def change
     add_index :heartbeats, :project, algorithm: :concurrently
-    add_index :heartbeats, [:project, :time], algorithm: :concurrently
+    add_index :heartbeats, [ :project, :time ], algorithm: :concurrently
   end
 end